1 // RUN: %clangxx_tsan %s -o %t
2 // RUN: %deflake %run %t | FileCheck %s
3 // RUN: %deflake %run %t 1 | FileCheck %s
4 
5 // The pthread_mutex_lock interceptor assumes incompatible internals w/ NetBSD
6 // XFAIL: netbsd
7 
8 #include <pthread.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 
main(int argc,char * argv[])12 int main(int argc, char *argv[]) {
13   pthread_mutex_t *m = (pthread_mutex_t *)malloc(sizeof(pthread_mutex_t));
14   pthread_mutex_init(m, 0);
15   pthread_mutex_lock(m);
16   pthread_mutex_unlock(m);
17   pthread_mutex_destroy(m);
18 
19   if (argc > 1 && argv[1][0] == '1')
20     free(m);
21 
22   pthread_mutex_lock(m);
23   // CHECK: WARNING: ThreadSanitizer: use of an invalid mutex (e.g. uninitialized or destroyed)
24   // CHECK:   #0 pthread_mutex_lock
25   // CHECK:   #1 main {{.*}}mutex_lock_destroyed.cpp:[[@LINE-3]]
26 
27   return 0;
28 }
29